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<?php |
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/** |
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* Created by: Jens |
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* Date: 3-4-2018 |
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*/ |
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namespace CloudControl\Cms\storage\factories\documentfactory; |
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use HTMLPurifier; |
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use HTMLPurifier_Config; |
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class Sanitizer |
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{ |
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private static $purifier; |
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/** |
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* @param $postValues |
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* @param $documentType |
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* @return array |
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*/ |
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public static function sanitizeFields($postValues, $documentType) |
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{ |
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$fields = array(); |
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$purifier = self::getPurifier(); |
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if (isset($postValues['fields'])) { |
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foreach ($postValues['fields'] as $fieldNameSlug => $field) { |
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$postValues = self::sanitizeField($postValues, $documentType, $fieldNameSlug, $field, $purifier); |
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} |
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$fields = $postValues['fields']; |
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} |
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return $fields; |
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} |
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/** |
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* @return HTMLPurifier |
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*/ |
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public static function getPurifier() |
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{ |
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if (self::$purifier instanceof HTMLPurifier) { |
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return self::$purifier; |
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} |
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$config = HTMLPurifier_Config::createDefault(); |
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$config->set('URI.DisableExternalResources', false); |
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$config->set('URI.DisableResources', false); |
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$config->set('HTML.Allowed', |
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'u,p,b,i,a,p,strong,em,li,ul,ol,div[align],br,img,table,tr,td,th,tbody,thead,strike,sub,sup,iframe'); |
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$config->set('HTML.SafeIframe', true); |
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$config->set('URI.SafeIframeRegexp', |
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'%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/)%'); //allow YouTube and Vimeo |
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$config->set('Attr.AllowedFrameTargets', array('_blank')); |
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$config->set('HTML.AllowedAttributes', 'src, alt, href, target, frameborder, data-original'); |
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$config->set('URI.AllowedSchemes', array('data' => true, 'http' => true, 'https' => true)); |
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$config->set('Cache.DefinitionImpl', null); // remove this later! |
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$def = $config->getHTMLDefinition(true); |
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$def->addAttribute('img', 'data-original', 'Text'); |
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self::$purifier = new HTMLPurifier($config); |
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return self::$purifier; |
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} |
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/** |
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* @param $brickContent |
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* @return mixed |
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*/ |
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public static function sanitizeBrickContent($brickContent) |
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{ |
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$purifier = self::getPurifier(); |
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foreach ($brickContent as $fieldKey => $fieldValues) { |
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foreach ($fieldValues as $valueKey => $value) { |
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$fieldValues[$valueKey] = $purifier->purify($value); |
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} |
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$brickContent[$fieldKey] = $fieldValues; |
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} |
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return $brickContent; |
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} |
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/** |
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* @param $fieldNameSlug |
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* @param $documentType |
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* @return bool |
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*/ |
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private static function isRichTextField($fieldNameSlug, $documentType) |
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{ |
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foreach ($documentType->fields as $fieldObj) { |
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if ($fieldObj->slug === $fieldNameSlug && $fieldObj->type === 'Rich Text') { |
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return true; |
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} |
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} |
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return false; |
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} |
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/** |
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* @param array $postValues |
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* @param \stdClass $documentType |
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* @param string $fieldNameSlug |
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* @param array $field |
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* @param HTMLPurifier $purifier |
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* @return array |
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*/ |
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protected static function sanitizeField($postValues, $documentType, $fieldNameSlug, $field, $purifier) |
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{ |
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if (self::isRichTextField($fieldNameSlug, $documentType)) { |
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foreach ($field as $fieldKey => $value) { |
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$newValue = $purifier->purify($value); |
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$field[$fieldKey] = $newValue; |
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} |
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$postValues['fields'][$fieldNameSlug] = $field; |
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} |
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return $postValues; |
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} |
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} |
jenskooij /
cloudcontrol
